Finding the Third Proportional to 485,158.50 and 694,710

Step by Step Solution

1. Step 1: Write the proportion equation
   485,158.50 : 694,710 = 694,710 : x
2. Step 2: Convert to fraction form
   485,158.50/694,710 = 694,710/x
3. Step 3: Cross multiply
   485,158.50x = 694,710 × 694,710
4. Step 4: Simplify right side
   485,158.50x = 482,621,984,100
5. Step 5: Solve for x
   x = 482,621,984,100/485,158.50
6. Step 6: Final answer
   x = 994,771.78